DataContract versioning requires when some modification has been done to the existing DataContract exposed to the client from the service or vice versa. If either service or client is changing the schema of DataContract exposed then new version of DataContract come into action and both party involved in communication should be able to accommodate the changes done in the DataContract.

In this article, I am going to show how to enable windows authentication on WCF Data Service. 

Various native .NET framework types include an overloaded version of the ToString method that accepts a format string. This reference sheet provides a list of standard formats and custom format specifiers for numeric types, DateTimes, GUIDs and enums.

This article is expected to
- Introduce patterns to you in a simple, human readable (?) way
- Train you how to really 'Apply' patterns (you can learn patterns easily, but to apply them to solve a problem, you need real design skills)
- Provide you a fair idea regarding the contexts for applying the following patterns – Builder, Observer, Strategy and Decorator (well, they are few popular design patterns)
- Demonstrate you how to apply the Observer pattern, to solve a design problem

ExtensionMethod.NET is a database of C# 3.0, F# and Visual Basic 2008 extension methods. It contains many user-rated extension methods that will expand your code library immediately.

Extension methods add functionality to existing classes and allow you to expand the .NET framework. This way your favorite functions integrate seamlessly into the framework. For more information about extension methods visit the C# 3.0 and Visual Basic 2008 MSDN Library pages.

Welcome to our humble abode, we're a new service aiming to bridge the gap between Twitter and Facebook. We're doing this by sending tweets to Facebook and Facebook comments back to Twitter.

Invited to a party and don’t know what to buy the party animal? We feel you.
Use Wrappp.it to collaborate about gift ideas with friends, family and colleagues. Chip in with others and find the perfect gift.

This is a review of the current available collection types in .NET Framework 4.0

A .NET attribute is an object, that provides a mechanism to associate information (metadata) with an element in your program. The Common Language Runtime (CLR) then uses these attributes and determines how to interact with these elements. You can also create custom attributes and use reflection to read them later.

Here’s a list of important .NET attributes that is commonly used in projects and proves very useful if you about them beforehand. This is just a compilation (arranged alphabetically) and clicking on each attribute will take you to a msdn link which explains its usage with an example.

This article will give a step by step visual explanation of how to create a REST enabled WCF service.

I got a mail asking question, “How could we remove .SVC from a WCF REST Service? “  

This article will give step by step walkthrough
1.    How to create a basic WCF 4.0 Service?
2.    How to host WCF Service in IIS 7.5?
3.    Hot to test service in a client.

Forms pose a series of usability and accessibility challenges, many of which are made more complex when you need to build a form to fit into a small space. Tightly spaced forms can look great on paper, but they often ignore accessibility issues altogether.

A designer recently handed me a compact-form design that included the oft-seen technique of putting field names directly inside of the text fields themselves.

If you are looking for some introduction material to Microsoft Workflow Foundation 4.0 then here are a couple of links and tips.

An interface can be created to define a contract containing members that classes that implement it must provide. Interfaces can define events, sometimes leading to classes that implement several interfaces being required to declare an event name twice.

Regular expression can be effectively used to get performance benefit in certain cases.

Your Android is supposed to keep you instantly connected to your digital life. It can do that, but it needs some help. These best-of-class applications make sending files, syncing music, swapping web sites, and other phone-computer hook-ups so much easier.